Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11195666 | Electrically insulating continuous film for an aluminum electrolytic capacitor | J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange | 2021-12-07 |
| 11185948 | Laser drilling of metal foils for assembly in an electrolytic capacitor | Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom | 2021-11-30 |
| 11017955 | Cathode subassembly with integrated separator for electrolytic capacitor, and method of manufacture thereof | Ralph Jason Hemphill, Thomas F. Strange, Troy L. McCurry, Peter Fernstrom | 2021-05-25 |
| 10923291 | Oxide on edges of metal anode foils | Ralph Jason Hemphill | 2021-02-16 |
| 10894157 | Laser marking of raw anode foil to induce uniform pattering and etching with oxide passivation mask | Ralph Jason Hemphill, Kurt J. Erickson | 2021-01-19 |